Fortescue River

Fortescue River
Ophthalmia Dam, Fortescue River
Location
CountryAustralia
Physical characteristics
Source 
 • locationOphthalmia Range
 • elevation602 metres (1,975 ft)
Mouth 
 • location
Indian Ocean
Length760 kilometres (472 mi)
Basin size49,759 square kilometres (19,212 sq mi)
Discharge 
 • average391 GL/a (12.4 m3/s; 438 cu ft/s) (mean)

The Fortescue River is an ephemeral river in the Pilbara region of Western Australia. It is the third longest river in the state.